I just did a quick test and wasn't getting the same results as you.... Have you tried writing it out as a float / exr / RAW and then loading the image back into nuke as RAW and comparing them to eachother without any viewer LUTs?
Cheers, Farhad On Sep 24, 2011 4:23 PM, "Sean Looper" <[email protected]> wrote: > The Write node passthrough does make certain assumptions when your output is exr. Try writing the file out and compare the written frames to your last node. > > -sean > > Sent from my cellular device > > On Sep 24, 2011, at 2:16 PM, "Anthony Kramer" <[email protected] <mailto:[email protected]>> wrote: > > NukeX 6.3v2 > Windows 7 > > On Sat, Sep 24, 2011 at 2:11 PM, Anthony Kramer <<mailto: [email protected]>[email protected]<mailto: [email protected]>> wrote: > It gets worse.. > > Seems like it's also calculating a few other key operations in my comp differently when selecting EXR as the output format in a write. Besides the neg values below which seem to be coming from a grade, it also makes my Zblur and LensDistortion look different. > > If I disable those 3 nodes, I get no difference between the last node and the write. If I enable ANY ONE of those nodes I get a slight difference in their calculation when viewing the write node only. > > Bizarre. Serves me right for working on a Saturday. > > -ak > > > On Sat, Sep 24, 2011 at 1:06 PM, Anthony Kramer <<mailto: [email protected]>[email protected]<mailto: [email protected]>> wrote: > So I have a fairly simple comp here and at the end when it goes to the write node, all of a sudden I get negative values. Take a look at the screen caps below and let me know if you seen anything like this. > > If I switch the write node to dpx/Cineon the problem goes away. If I switch to exr/Cineon the problem stays so it seems to be something with the filetype being exr, not the colorspace. > > -ak > > <image.png> > > > _______________________________________________ > Nuke-users mailing list > [email protected]<mailto: [email protected]>, <http://forums.thefoundry.co.uk/> http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
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